(a) The component parts of each respirator shall be:
- (1) Designed, constructed, and fitted to insure against creation of any hazard to the wearer;
- (2) Assembled to permit easy access for inspection and repair of functional parts; and
- (3) Assembled to permit easy access to parts which require periodic cleaning and disinfecting.
- (b) Replacement parts shall be designed and constructed to permit easy installation and to maintain the effectiveness of the respirator.